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Finding the Fourth Proportional to 56,209.92, 84,314.88 and 14,661.12

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Solution

The fourth proportional to 56,209.92, 84,314.88 and 14,661.12 is: 21,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.92 : 84,314.88 = 14,661.12 : x
  2. Step 2: Convert to fraction form
    56,209.92/84,314.88 = 14,661.12/x
  3. Step 3: Cross multiply
    56,209.92x = 84,314.88 × 14,661.12
  4. Step 4: Simplify right side
    56,209.92x = 1,236,150,573.47
  5. Step 5: Solve for x
    x = 1,236,150,573.47/56,209.92
  6. Step 6: Final answer
    x = 21,991.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.